Beyma 8CMV2 - Midwoofer 8" 8ohm 94dB 250W Ferrite

This 8″ ferrite woofer delivers a program power of 500 Watts (250 Watt AES). The 8CMV2 offers higher output power with a linear and extended response with minimal distortion. This high-sensitivity “Made in Europe” speaker has a double roller suspension in treated fabric. It is particularly recommended for bass and midrange applications in compact bass reflex speakers.

.

Key Features:

• Power handling: 100W program power
• Sensitivity: 91 dB (1W / 1m) 
• 1” copper voice coil
• Rubber surround 
• Ferrite magnet The cast aluminum basket 
• Flat response and low harmonic distortion 
• Extended controlled displacement: Xmax ± 6.7 mm 
• 20 mm peak-to-peak excursion before damage

.

Technical Specifcations:

• Nominal diameter 200mm 8in
• Rated impedance 8Ω
• Minimum impedance 6.4Ω
• Power capacity 50 WRMS
• Program power 100 W
• Sensitivity 91 dB 1W / 1m @ ZN
• Frequency range 30 - 6,000 Hz
• Recom. enclosure vol. 20/60L 0.7/2.1ft3
• Voice coil diameter 25.4mm 1in
• Bl factor 6.8 N/A
• Moving mass 0.021 kg
• Voice coil length 16 mm
• Air gap height 6mm
• Xdamage (peak to peak) 20 mm

Thiele-Small Parameters:

• Resonant frequency, fs 30 Hz
• D.C. Voice coil resistance, Re 5.5 Ω
• Mechanical Quality Factor, Qms 2.1
• Electrical Quality Factor, Qes 0.48
• Total Quality Factor, Qts 0.39
• Equivalent Air Volume to Cms, Vas 89.1 l
• Mechanical Compliance, Cms 1300 μm/N
• Mechanical Resistance, Rms 2kg/s
• Efficiency, η0 0.5%
• Effective Surface Area, Sd 0.022 m2
• Maximum displacement, Xmax4 6.7mm
• Displacement Volume, Vd 147 cm3
• Voice coil inductance, Le 0.5 mH

Mounting Information:

• Overall diameter 212 mm 8.3 in
• Bolt circle diameter 198 mm 7.8 in
• Baffle cutout diameter:
• - Front mount 181mm 7.1in
• Depth 89mm 3.5in
• Volume displaced by driver 1.5 l 0.05 ft3
• Net weight 1.3kg
• Shipping weight 1.5kg